--- The news anchor's face says it all
Clad in a rubber baby mask, Segall led the band in a rendition of "Squealer," from the recent album Emotional Mugger.
As with his last appearance on the program in 2012, he ended the song with repeated, frenzied chants of "CHICAGO!"
Watch it below.
Anchor Robin Baumgarten reacted to Segall's performance with an incredulous look .... a step down from a few years ago, when she rocked out at the news desk.